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Characteristics of sheets used in this study
| Property | TPL 157 TOTM | TPL 167 DINCH |
|---|---|---|
| Average thickness (mm) | 0.4 | 0.4 |
| Hardness – (shore A) ASTM D 2240 | 78.5 | 78 |
| Tensile strength (Kg/cm2) ASTM D 882 | 170 | 155 |
| Elongation at break (%) ASTM D 882 | 500 | 480 |
| Permeability | ||
| Oxygen (g/m2/24h/37°C) | 1020 | 1070 |
| Carbon dioxide (g/m2/24hr/37°C) ASTM D 1434 | 4850 | 4600 |
| Brittle point (°C) ASTM D7028 | -36 | -38 |
